network engineering · cybersecurity · software

Secure, reliable IT infrastructure for operations in Mexico.

JG Sistemas helps organizations strengthen networks, cybersecurity and operational infrastructure in Tijuana and remotely across Mexico. Work is led directly by Javier Gutiérrez, with more than 15 years of IT experience and a practical focus on controls that operate day to day.

15+ years in IT Tijuana onsite Mexico remote ISO 27001 internal auditor
cross-border operations

A technical partner close to your Mexico operations

For organizations with teams, facilities or suppliers in Mexico, JG Sistemas combines local execution in Tijuana with remote support across the country.

Local context

Execution in Tijuana

Direct technical contact for network, infrastructure and security work serving local operations.

Clear scope

Practical priorities

Recommendations are tied to exposure, availability and operational needs—not a generic product list.

Accountability

Senior-led delivery

Projects and technical conversations are led directly by the founder, without layers of sales intermediaries.

services

Networks, security and automation that support the operation

Each engagement is scoped around the environment and its actual risks.

Networks

Network design and operations

Layer 2/3 switching, purposeful VLAN segmentation, enterprise Wi-Fi, VPN and high availability across multi-vendor environments.

ExtremeFortinetUbiquitiAruba
Cybersecurity

Controls that are actually operated

Perimeter security, identity and MFA, 802.1X, EDR and monitoring, vulnerability management, hardening and ISO 27001-oriented evidence.

WazuhCrowdStrikeEntra IDISO 27001
Automation

Repeatable infrastructure work

Python and Netmiko automation for device fleets, backups, inventory and network workflows, plus purpose-built internal tools.

PythonNetmikoBashDocker
anonymized cases

Operational outcomes, not generic claims

Client identities and technical details remain confidential. The figures below summarize documented work presented on the Spanish site.

Healthcare

Perimeter security and access

User, IoT, camera and guest segmentation; 802.1X; VPN with 2FA; and a monthly vulnerability cycle.

≈200endpoints
0critical / 12 months
-72%open findings
Industrial

Multi-site firewalls and identity

Fortinet across facilities, Entra ID with VPN 2FA, CrowdStrike EDR and FortiAnalyzer correlation.

2plants
100%EDR active
<24 haverage MTTR
ISO 27001

Evidence built around real operation

Baseline preparation, internal audit work and practical evidence designed around controls that teams can maintain.

20key controls
ISMSoperational focus
software

Tools built from production network work

JG Sistemas develops and maintains digitally signed software with direct support.

Extreme Networks

Mass EXOS firmware updater

Parallel updates for EXOS switch fleets, with real-time progress, pre-flight validation and safeguards against RADIUS lockouts.

Diagnostics

LLDP topology mapping

Automated multi-device discovery that maps switch-to-switch connections and exports inventory documentation.

technical leadership

Directly led by Javier Gutiérrez

Javier Gutiérrez founded JG Sistemas to make serious network engineering, cybersecurity and practical software accessible to organizations that need clear guidance and dependable execution.

His background includes more than 15 years in IT, a master's degree in Information Security, an undergraduate degree in Information Technology, Mexican professional license 13627595, and ISO 27001 Internal Auditor and Ethical Hacking Professional certifications.

Master's Information Security ISO 27001 Internal Auditor Ethical Hacking Professional Professional license 13627595
free resource · Spanish edition

20 ISO 27001 controls that teams can operate

A practical checklist to compare written controls with what is actually operating today. The checklist and request page are currently available in Spanish.

next step

Start with a 30-minute security review

Discuss exposure, identity and technical priorities directly with Javier. Onsite service in Tijuana and remote work across Mexico.